Key chain



FIG. 1 is an isometric view from one side and the rear of the key chain showing the design.

FIG. 2 is a first side elevational view of the key chain showing the design.

FIG. 3 is a front elevational view of the key chain showing the design.

FIG. 4 is a rear elevational view of the key chain showing the design.

FIG. 5 is a second side elevational view of the key chain showing the design.

FIG. 6 is a top plan view of the key chain showing the design; and,

FIG. 7 is a top plan view of the key chain showing the design. 

CLAIM The ornamental design for a key chain, as shown and described. 